/*
 * Copyright (c) 2012, Fredrik Yttergren
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name LucidBot nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Fredrik Yttergren BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package commands.army.handlers;

import api.commands.CommandHandlingException;
import api.commands.CommandResponse;
import api.database.DBException;
import api.events.DelayedEventPoster;
import api.runtime.IRCContext;
import api.timers.TimerManager;
import api.tools.collections.Params;
import database.daos.ArmyDAO;
import database.daos.ProvinceDAO;
import database.models.Army;
import database.models.Province;
import spi.commands.CommandHandler;
import spi.filters.Filter;

import javax.inject.Inject;
import java.util.Collection;

public class RemoveArmyCommandHandler implements CommandHandler {
    private final TimerManager timerManager;
    private final ArmyDAO armyDAO;
    private final ProvinceDAO provinceDAO;

    @Inject
    public RemoveArmyCommandHandler(final TimerManager timerManager, final ProvinceDAO provinceDAO, final ArmyDAO armyDAO) {
        this.timerManager = timerManager;
        this.provinceDAO = provinceDAO;
        this.armyDAO = armyDAO;
    }

    @Override
    public CommandResponse handleCommand(IRCContext context, Params params, Collection<Filter<?>> filters,
                                         final DelayedEventPoster delayedEventPoster) throws CommandHandlingException {
        try {
            Province prov = provinceDAO.getProvinceForUser(context.getBotUser());
            if (prov == null) return CommandResponse.errorResponse("Could not find your province");
            Army toDelete = armyDAO.getArmy(context.getBotUser(), params.getIntParameter("armyno"));
            if (toDelete == null || toDelete.getType() != Army.ArmyType.IRC_ARMY_OUT)
                return CommandResponse.errorResponse("Could not find that army");
            armyDAO.delete(toDelete);
            timerManager.cancelTimer(Army.class, toDelete.getId());
            return CommandResponse.resultResponse("army", toDelete);
        } catch (DBException e) {
            throw new CommandHandlingException(e);
        }
    }
}
